TOA Electronics F-122CU2 инструкция обслуживания

INSTRUCTION MANUAL CEILING SPEAKER SYSTEM F-122CU2 Please follow the instructions in this manual to obtain the optimum results from this unit. We also recommend that you keep this manual handy for future reference. Rev . A[...]

2 T ABLE OF CONTENTS 1. SAFETY PRECAUTIONS ............................................................................... 3 2. GENERAL DESCRIPTION ............................................................................. 3 3. FEA TURES .......................................................................................................... 4 [...]

3 • Leave the installation to your TOA dealer because the installation requires expert knowledge. Improper installation may cause the unit to fall, resulting in personal injury and/or property damage. • Install the unit in a location that can structurally support the weight of the unit and its mounting hardware. Doing otherwise may result in th[...]

4 3. FEA TURES • Bass-reflex speaker system designed to provide a wide frequency range and high power handling capability. • Wide-dispersion flush-mount ceiling speaker design employs unique acoustic construction to realize a wide area of coverage. Uniform sound output levels are achievable not only directly under the speaker, but also over a w[...]

Before mounting the speaker, check the ceiling structure is of drop ceiling with 2-foot standard ceiling tiles. 5 5. MOUNTING HARDW ARE INST ALLA TION [Installation view on Drop Ceilings] Caution Set the tile bridge so that both ends fit securely into the T-grids, even if the ceiling tile accidentally falls off. Ceiling tile T -grid T ile bridge (a[...]

6 Step 3. Attach a safety wire to prevent the speaker from accidentally falling. To attach, tie one end of the supplied safety wire around the speaker's safety wire hook, and tie its snap ring around a secure C-channel bar or suspension pipe. 2-foot tile Safety wire (accessory) Secure C-channel bar or suspension pipe Speaker unit Ceiling tile [...]

7 6. WIRING 6.1. Using the Speaker in UL1480 Category UUMW Choke bracket Cover plate Cover plate Connector cover After completing the speaker cable connection, turn the connector cover in the direction indicated by the arrow , and fix the cover with 2 screws. Remove the choke bracket and the cover plate from the speaker . Note The removed choke bra[...]

8 6.2. Using the Speaker in UL1480 Category UEA Y and CAN/CSA C22.2 No.205 Category UEA Y7 6.2.1. Wiring through hard or flexible conduit Note The choke bracket equipped with the speaker has not been evaluated by UL, for conduit connection and UL514B Standard. Flexible conduit of 3/8 or 1/2 inch trade size and the UL514B conduit fitting of the same[...]

9 6.2.2. Wiring with naked cables Loosen the screw to allow the speaker cable to pass through. Choke bracket Retighten the screw to fix the speaker cable. Note Ensure that the speaker cable is securely fixed. After completing the speaker cable connection, turn the connector cover in the direction indicated by the arrow , and fix the cover with 2 sc[...]

10 Step 2. Detach the removable input connector from the speaker's socket, and loosen the screw of the terminal to be used. Speaker unit Removable input connector Step 3. Insert the stripped cable end into the terminal and tighten the terminal screw with a screwdriver. Note If not making bridge connections, be sure to tighten unused terminal s[...]

11 Caution Before mounting, check to be sure that the speaker's 3 mounting tabs are turned inside the unit as shown in the figure. If turned outward, the speaker cannot be inserted through the mounting hole. In Out Mounting tab Step 1. Insert the speaker through the mounting hole till it contacts the ceiling panel. While doing so, avoid direct[...]

12 Step 3. Set the input power. Turn the input selector switch (on the unit's front) to set it to the desired input impedance. (Factory-preset to 170 Ω .) Note Setting positions "8 Ω " and "16 Ω " can be used in UL1480 Category UEAY and CAN/CSA C22.2 No.205 Category UEAY7 . Step 4. Attach the front grille. Align the tabs[...]

13 Mounting tab axis screw Use an electric screwdriver to detach. Mounting tab Screw cap Caution Be sure to set the screwdriver's torque for under 4 kgf·cm. Failure to do so may cause the Screw cap and the Mounting tab to fall off on the rear of ceiling panel. 9. REMOVING THE SPEAKER FOR MAINTENANCE 9.1. Detaching the Front Grille 1 2 Front g[...]

14 10. REP AINTING THE SPEAKER Follow the procedure below when repainting the front grille: Step 1. Clean the front grille before painting. Wipe with a soft cloth dampened in a detergent. Caution Do not use thinner or other volatile liquids to clean the grille. Step 2. Spray on a uniform, thin coat of paint. Cautions • Avoid painting with a rolle[...]

15 12. SAFETY AGENCY COMPLIANCE This product is for indoor use only. The F-122CU2's front-mounted rotary switch permits selection of speaker handling power (wattage) on 25 V or 70 V line operation or low impedance (8 Ω or 16 Ω ) operation. Depending on the switch settings, the unit complies with the different UL Categories as follows. Note: [...]

533-06-144-20 13. SPECIFICA TIONS Note: The design and specifications are subject to change without notice for improvement. • Accessories Front grille ............................................................ 1 Tile bridge ............................................................ 1 Safety wire (approx. 60 cm or 23 5 / 8 ") ............[...]